<div class="home">
  <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
  <!-- <div id="main" style="width: 600px;height:400px;"></div> -->

  <div id="one"></div>
  <div id="two"></div>
  <div id="three"></div>
  <div id="four"></div>

</div>
<script>
  // 使用eCharts
  // 1.引入eCharts-有多种引入方式，大家自行选择
  // 2.创建容器
  // 3.初始化eCharts实例
  // 4.声明配置对象
  // 5.将配置对象设置到eCharts中
  one()
  function one() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('one'));
    // 指定图表的配置项和数据
    var option = {
      title: {
        text: '流量统计'
      },
      tooltip: {},
      legend: {
        data: ['流量']
      },
      xAxis: {
        data: ["2020-01", "2020-02", "2020-03", "2020-04", "2020-05", "2020-06"]
      },
      yAxis: {},
      series: [{
        name: '流量',
        type: 'bar',
        data: [150, 200, 360, 100, 100, 200]
      }]
    };
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(option);
  }

  two()
  function two() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('two'));
    // 指定图表的配置项和数据
    option = {
      title: {
        text: '堆叠区域图'
      },
      tooltip: {
        trigger: 'axis',
        axisPointer: {
          type: 'cross',
          label: {
            backgroundColor: '#6a7985'
          }
        }
      },
      legend: {
        data: ['邮件营销', '联盟广告', '视频广告', '直接访问', '搜索引擎']
      },
      toolbox: {
        feature: {
          saveAsImage: {}
        }
      },
      grid: {
        left: '3%',
        right: '4%',
        bottom: '3%',
        containLabel: true
      },
      xAxis: [
        {
          type: 'category',
          boundaryGap: false,
          data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
        }
      ],
      yAxis: [
        {
          type: 'value'
        }
      ],
      series: [
        {
          name: '邮件营销',
          type: 'line',
          stack: '总量',
          areaStyle: {},
          data: [120, 132, 101, 134, 90, 230, 210]
        },
        {
          name: '联盟广告',
          type: 'line',
          stack: '总量',
          areaStyle: {},
          data: [220, 182, 191, 234, 290, 330, 310]
        },
        {
          name: '视频广告',
          type: 'line',
          stack: '总量',
          areaStyle: {},
          data: [150, 232, 201, 154, 190, 330, 410]
        },
        {
          name: '直接访问',
          type: 'line',
          stack: '总量',
          areaStyle: {},
          data: [320, 332, 301, 334, 390, 330, 320]
        },
        {
          name: '搜索引擎',
          type: 'line',
          stack: '总量',
          label: {
            normal: {
              show: true,
              position: 'top'
            }
          },
          areaStyle: {},
          data: [820, 932, 901, 934, 1290, 1330, 1320]
        }
      ]
    };

    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(option);
  }

  three()
  function three() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('three'));
    // 指定图表的配置项和数据
    var data = [
      [[28604, 77, 17096869, 'Australia', 1990], [31163, 77.4, 27662440, 'Canada', 1990], [1516, 68, 1154605773, 'China', 1990], [13670, 74.7, 10582082, 'Cuba', 1990], [28599, 75, 4986705, 'Finland', 1990], [29476, 77.1, 56943299, 'France', 1990], [31476, 75.4, 78958237, 'Germany', 1990], [28666, 78.1, 254830, 'Iceland', 1990], [1777, 57.7, 870601776, 'India', 1990], [29550, 79.1, 122249285, 'Japan', 1990], [2076, 67.9, 20194354, 'North Korea', 1990], [12087, 72, 42972254, 'South Korea', 1990], [24021, 75.4, 3397534, 'New Zealand', 1990], [43296, 76.8, 4240375, 'Norway', 1990], [10088, 70.8, 38195258, 'Poland', 1990], [19349, 69.6, 147568552, 'Russia', 1990], [10670, 67.3, 53994605, 'Turkey', 1990], [26424, 75.7, 57110117, 'United Kingdom', 1990], [37062, 75.4, 252847810, 'United States', 1990]],
      [[44056, 81.8, 23968973, 'Australia', 2015], [43294, 81.7, 35939927, 'Canada', 2015], [13334, 76.9, 1376048943, 'China', 2015], [21291, 78.5, 11389562, 'Cuba', 2015], [38923, 80.8, 5503457, 'Finland', 2015], [37599, 81.9, 64395345, 'France', 2015], [44053, 81.1, 80688545, 'Germany', 2015], [42182, 82.8, 329425, 'Iceland', 2015], [5903, 66.8, 1311050527, 'India', 2015], [36162, 83.5, 126573481, 'Japan', 2015], [1390, 71.4, 25155317, 'North Korea', 2015], [34644, 80.7, 50293439, 'South Korea', 2015], [34186, 80.6, 4528526, 'New Zealand', 2015], [64304, 81.6, 5210967, 'Norway', 2015], [24787, 77.3, 38611794, 'Poland', 2015], [23038, 73.13, 143456918, 'Russia', 2015], [19360, 76.5, 78665830, 'Turkey', 2015], [38225, 81.4, 64715810, 'United Kingdom', 2015], [53354, 79.1, 321773631, 'United States', 2015]]
    ];

    option = {
      backgroundColor: new echarts.graphic.RadialGradient(0.3, 0.3, 0.8, [{
        offset: 0,
        color: '#f7f8fa'
      }, {
        offset: 1,
        color: '#cdd0d5'
      }]),
      title: {
        text: '1990 与 2015 年各国家人均寿命与 GDP'
      },
      legend: {
        right: 10,
        data: ['1990', '2015']
      },
      xAxis: {
        splitLine: {
          lineStyle: {
            type: 'dashed'
          }
        }
      },
      yAxis: {
        splitLine: {
          lineStyle: {
            type: 'dashed'
          }
        },
        scale: true
      },
      series: [{
        name: '1990',
        data: data[0],
        type: 'scatter',
        symbolSize: function (data) {
          return Math.sqrt(data[2]) / 5e2;
        },
        emphasis: {
          label: {
            show: true,
            formatter: function (param) {
              return param.data[3];
            },
            position: 'top'
          }
        },
        itemStyle: {
          shadowBlur: 10,
          shadowColor: 'rgba(120, 36, 50, 0.5)',
          shadowOffsetY: 5,
          color: new echarts.graphic.RadialGradient(0.4, 0.3, 1, [{
            offset: 0,
            color: 'rgb(251, 118, 123)'
          }, {
            offset: 1,
            color: 'rgb(204, 46, 72)'
          }])
        }
      }, {
        name: '2015',
        data: data[1],
        type: 'scatter',
        symbolSize: function (data) {
          return Math.sqrt(data[2]) / 5e2;
        },
        emphasis: {
          label: {
            show: true,
            formatter: function (param) {
              return param.data[3];
            },
            position: 'top'
          }
        },
        itemStyle: {
          shadowBlur: 10,
          shadowColor: 'rgba(25, 100, 150, 0.5)',
          shadowOffsetY: 5,
          color: new echarts.graphic.RadialGradient(0.4, 0.3, 1, [{
            offset: 0,
            color: 'rgb(129, 227, 238)'
          }, {
            offset: 1,
            color: 'rgb(25, 183, 207)'
          }])
        }
      }]
    };
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(option);
  }

  four()
  function four() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('four'));
    // 指定图表的配置项和数据
    var symbolSize = 20;
    var data = [[15, 0], [-50, 10], [-56.5, 20], [-46.5, 30], [-22.1, 40]];

    option = {
      title: {
        text: 'Try Dragging these Points'
      },
      tooltip: {
        triggerOn: 'none',
        formatter: function (params) {
          return 'X: ' + params.data[0].toFixed(2) + '<br>Y: ' + params.data[1].toFixed(2);
        }
      },
      grid: {
      },
      xAxis: {
        min: -100,
        max: 80,
        type: 'value',
        axisLine: { onZero: false }
      },
      yAxis: {
        min: -30,
        max: 60,
        type: 'value',
        axisLine: { onZero: false }
      },
      dataZoom: [
        {
          type: 'slider',
          xAxisIndex: 0,
          filterMode: 'empty'
        },
        {
          type: 'slider',
          yAxisIndex: 0,
          filterMode: 'empty'
        },
        {
          type: 'inside',
          xAxisIndex: 0,
          filterMode: 'empty'
        },
        {
          type: 'inside',
          yAxisIndex: 0,
          filterMode: 'empty'
        }
      ],
      series: [
        {
          id: 'a',
          type: 'line',
          smooth: true,
          symbolSize: symbolSize,
          data: data
        }
      ]
    };


    setTimeout(function () {
      // Add shadow circles (which is not visible) to enable drag.
      myChart.setOption({
        graphic: echarts.util.map(data, function (item, dataIndex) {
          return {
            type: 'circle',
            position: myChart.convertToPixel('grid', item),
            shape: {
              cx: 0,
              cy: 0,
              r: symbolSize / 2
            },
            invisible: true,
            draggable: true,
            ondrag: echarts.util.curry(onPointDragging, dataIndex),
            onmousemove: echarts.util.curry(showTooltip, dataIndex),
            onmouseout: echarts.util.curry(hideTooltip, dataIndex),
            z: 100
          };
        })
      });
    }, 0);

    window.addEventListener('resize', updatePosition);

    myChart.on('dataZoom', updatePosition);

    function updatePosition() {
      myChart.setOption({
        graphic: echarts.util.map(data, function (item, dataIndex) {
          return {
            position: myChart.convertToPixel('grid', item)
          };
        })
      });
    }

    function showTooltip(dataIndex) {
      myChart.dispatchAction({
        type: 'showTip',
        seriesIndex: 0,
        dataIndex: dataIndex
      });
    }

    function hideTooltip(dataIndex) {
      myChart.dispatchAction({
        type: 'hideTip'
      });
    }

    function onPointDragging(dataIndex, dx, dy) {
      data[dataIndex] = myChart.convertFromPixel('grid', this.position);

      // Update data
      myChart.setOption({
        series: [{
          id: 'a',
          data: data
        }]
      });
    }

    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(option);
  }
</script>